Let air circulate but keep it water tight?

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    Air Water
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Discussion Overview

The discussion revolves around the challenge of creating a device that can hold water while allowing fresh air to circulate within it, without spilling during vigorous movement. Participants explore various ideas and mechanisms that could achieve this goal.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant suggests the concept of an air lock, questioning if it is the opposite of what they need.
  • Another participant proposes a simple solution of using a cup with a lid.
  • A participant clarifies the need for fresh air (oxygen) rather than recirculated air.
  • One suggestion involves using a straw to periodically blow air into the container.
  • Another participant discusses the possibility of incorporating a small check valve in the air supply inlet to manage air entry while minimizing over-pressure, suggesting various methods for air supply.
  • A participant mentions Gore-Tex as a potential material, while noting that its pores may clog depending on the contents.

Areas of Agreement / Disagreement

The discussion features multiple competing views and suggestions, with no consensus on a definitive solution or approach.

Contextual Notes

Participants express uncertainty regarding the effectiveness of proposed solutions, particularly concerning the potential clogging of materials and the dynamics of air and water interaction within the container.

jago25_98
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Is this the opposite of an air lock?

I want to make a bag/membrane/lock device that can carry water, yet keep it aerated.

Obviously a cup does this, but I need it to be able to move about vigorously without spilling.

Any ideas what this is called?
 
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A cup with a lid.
 
Doh!

I mean fresh air (Oxygen) into the watertight container! (not recirculated)
 
Just use a straw to blow air into it from time to time...
 
You could perhaps place a small check valve in the air supply inlet. Depending on how much water the container holds and how it moves during acceleration you may be able to find a check pressure that will allow air to enter with a minimum of over-pressure which then could be supplied by a small pump, your lungs (as suggested), or perhaps by the movement of the container itself.
 

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